Reducing particulate emissions from diesel engines has become a major challenge for regions of Europe, Japan and the United States. Many mobile applications have been successfully addressed with passively regenerating wall flow filters. However stationary engines, locomotives and other large constant speed engines often require a different approach to particulate filtration. Flow-through filter technologies have merit for these applications due to their low maintenance requirements, tolerance to misfueling and suitability for engines with high specific PM emissions. When considering the application of a particulate filter to any diesel engine the means of regeneration, or combustion of the accumulated soot, is of critical importance. In the case of filters which are regenerated through the use of a catalytic coating the duty cycle of the engine, and characteristics of the exhaust gas itself dictate the potential success or failure of the system. In many cases interruption of operation, whether due to insufficient regeneration rates, or for scheduled service to remove accumulated ash, is relatively more difficult to accept for locomotive and non-mobile engine operations. Locomotives, power generators and the like often accumulate large number of service hours between scheduled maintenance events and perform tasks where interruption of service can have costly consequences. Details of an investigation into the suitability of a flow-through filter for heavy-duty constant speed engines are presented. Aspects of the design, including materials selection, catalyst coating and performance under various conditions are discussed. Results from CFD and micro-dilution tunnel particulate sampling of full-scale devices support the progressive refinement of the design.
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ASME 2006 Internal Combustion Engine Division Fall Technical Conference
November 5–8, 2006
Sacramento, California, USA
Conference Sponsors:
- Internal Combustion Engine Division
ISBN:
0-7918-4260-6
PROCEEDINGS PAPER
Flow-Through Filter Technology for Heavy Duty Diesel Engines
Pavel Farafontov,
Pavel Farafontov
DCL International, Inc., Concord, ON, Canada
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Shazam Williams,
Shazam Williams
DCL International, Inc., Concord, ON, Canada
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John Muter
John Muter
DCL International, Inc., Concord, ON, Canada
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Pavel Farafontov
DCL International, Inc., Concord, ON, Canada
Shazam Williams
DCL International, Inc., Concord, ON, Canada
John Muter
DCL International, Inc., Concord, ON, Canada
Paper No:
ICEF2006-1538, pp. 17-23; 7 pages
Published Online:
September 5, 2008
Citation
Farafontov, P, Williams, S, & Muter, J. "Flow-Through Filter Technology for Heavy Duty Diesel Engines." Proceedings of the ASME 2006 Internal Combustion Engine Division Fall Technical Conference. ASME 2006 Internal Combustion Engine Division Fall Technical Conference (ICEF2006). Sacramento, California, USA. November 5–8, 2006. pp. 17-23. ASME. https://doi.org/10.1115/ICEF2006-1538
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